package com.zpark.util;

import java.util.UUID;

public class StringUtil {
    // 获取文件的后缀名
    public static String getSuffixName(String fileName){
        return fileName.substring(fileName.lastIndexOf("."));

    }
    // 获取随机32位字符序列
    public static String randomFileName(){
        return UUID.randomUUID().toString().replace("-","");
    }
}
